mirror of
https://github.com/amix/vimrc
synced 2024-12-13 13:42:30 +00:00
294 lines
8.6 KiB
VimL
294 lines
8.6 KiB
VimL
" PathSep returns the appropriate OS specific path separator.
|
|
function! go#util#PathSep() abort
|
|
if go#util#IsWin()
|
|
return '\'
|
|
endif
|
|
return '/'
|
|
endfunction
|
|
|
|
" PathListSep returns the appropriate OS specific path list separator.
|
|
function! go#util#PathListSep() abort
|
|
if go#util#IsWin()
|
|
return ";"
|
|
endif
|
|
return ":"
|
|
endfunction
|
|
|
|
" LineEnding returns the correct line ending, based on the current fileformat
|
|
function! go#util#LineEnding() abort
|
|
if &fileformat == 'dos'
|
|
return "\r\n"
|
|
elseif &fileformat == 'mac'
|
|
return "\r"
|
|
endif
|
|
|
|
return "\n"
|
|
endfunction
|
|
|
|
" Join joins any number of path elements into a single path, adding a
|
|
" Separator if necessary and returns the result
|
|
function! go#util#Join(...) abort
|
|
return join(a:000, go#util#PathSep())
|
|
endfunction
|
|
|
|
" IsWin returns 1 if current OS is Windows or 0 otherwise
|
|
function! go#util#IsWin() abort
|
|
let win = ['win16', 'win32', 'win64', 'win95']
|
|
for w in win
|
|
if (has(w))
|
|
return 1
|
|
endif
|
|
endfor
|
|
|
|
return 0
|
|
endfunction
|
|
|
|
function! go#util#has_job() abort
|
|
" job was introduced in 7.4.xxx however there are multiple bug fixes and one
|
|
" of the latest is 8.0.0087 which is required for a stable async API.
|
|
return has('job') && has("patch-8.0.0087")
|
|
endfunction
|
|
|
|
let s:env_cache = {}
|
|
|
|
" env returns the go environment variable for the given key. Where key can be
|
|
" GOARCH, GOOS, GOROOT, etc... It caches the result and returns the cached
|
|
" version.
|
|
function! go#util#env(key) abort
|
|
let l:key = tolower(a:key)
|
|
if has_key(s:env_cache, l:key)
|
|
return s:env_cache[l:key]
|
|
endif
|
|
|
|
if executable('go')
|
|
let l:var = call('go#util#'.l:key, [])
|
|
if go#util#ShellError() != 0
|
|
call go#util#EchoError(printf("'go env %s' failed", toupper(l:key)))
|
|
return ''
|
|
endif
|
|
else
|
|
let l:var = eval("$".toupper(a:key))
|
|
endif
|
|
|
|
let s:env_cache[l:key] = l:var
|
|
return l:var
|
|
endfunction
|
|
|
|
" goarch returns 'go env GOARCH'. This is an internal function and shouldn't
|
|
" be used. Instead use 'go#util#env("goarch")'
|
|
function! go#util#goarch() abort
|
|
return substitute(go#util#System('go env GOARCH'), '\n', '', 'g')
|
|
endfunction
|
|
|
|
" goos returns 'go env GOOS'. This is an internal function and shouldn't
|
|
" be used. Instead use 'go#util#env("goos")'
|
|
function! go#util#goos() abort
|
|
return substitute(go#util#System('go env GOOS'), '\n', '', 'g')
|
|
endfunction
|
|
|
|
" goroot returns 'go env GOROOT'. This is an internal function and shouldn't
|
|
" be used. Instead use 'go#util#env("goroot")'
|
|
function! go#util#goroot() abort
|
|
return substitute(go#util#System('go env GOROOT'), '\n', '', 'g')
|
|
endfunction
|
|
|
|
" gopath returns 'go env GOPATH'. This is an internal function and shouldn't
|
|
" be used. Instead use 'go#util#env("gopath")'
|
|
function! go#util#gopath() abort
|
|
return substitute(go#util#System('go env GOPATH'), '\n', '', 'g')
|
|
endfunction
|
|
|
|
function! go#util#osarch() abort
|
|
return go#util#env("goos") . '_' . go#util#env("goarch")
|
|
endfunction
|
|
|
|
" System runs a shell command. If possible, it will temporary set
|
|
" the shell to /bin/sh for Unix-like systems providing a Bourne
|
|
" POSIX like environment.
|
|
function! go#util#System(str, ...) abort
|
|
" Preserve original shell and shellredir values
|
|
let l:shell = &shell
|
|
let l:shellredir = &shellredir
|
|
|
|
" Use a Bourne POSIX like shell. Some parts of vim-go expect
|
|
" commands to be executed using bourne semantics #988 and #1276.
|
|
" Alter shellredir to match bourne. Especially important if login shell
|
|
" is set to any of the csh or zsh family #1276.
|
|
if !go#util#IsWin() && executable('/bin/sh')
|
|
set shell=/bin/sh shellredir=>%s\ 2>&1
|
|
endif
|
|
|
|
try
|
|
let l:output = call('system', [a:str] + a:000)
|
|
return l:output
|
|
finally
|
|
" Restore original values
|
|
let &shell = l:shell
|
|
let &shellredir = l:shellredir
|
|
endtry
|
|
endfunction
|
|
|
|
function! go#util#ShellError() abort
|
|
return v:shell_error
|
|
endfunction
|
|
|
|
" StripPath strips the path's last character if it's a path separator.
|
|
" example: '/foo/bar/' -> '/foo/bar'
|
|
function! go#util#StripPathSep(path) abort
|
|
let last_char = strlen(a:path) - 1
|
|
if a:path[last_char] == go#util#PathSep()
|
|
return strpart(a:path, 0, last_char)
|
|
endif
|
|
|
|
return a:path
|
|
endfunction
|
|
|
|
" StripTrailingSlash strips the trailing slash from the given path list.
|
|
" example: ['/foo/bar/'] -> ['/foo/bar']
|
|
function! go#util#StripTrailingSlash(paths) abort
|
|
return map(copy(a:paths), 'go#util#StripPathSep(v:val)')
|
|
endfunction
|
|
|
|
" Shelljoin returns a shell-safe string representation of arglist. The
|
|
" {special} argument of shellescape() may optionally be passed.
|
|
function! go#util#Shelljoin(arglist, ...) abort
|
|
try
|
|
let ssl_save = &shellslash
|
|
set noshellslash
|
|
if a:0
|
|
return join(map(copy(a:arglist), 'shellescape(v:val, ' . a:1 . ')'), ' ')
|
|
endif
|
|
|
|
return join(map(copy(a:arglist), 'shellescape(v:val)'), ' ')
|
|
finally
|
|
let &shellslash = ssl_save
|
|
endtry
|
|
endfunction
|
|
|
|
fu! go#util#Shellescape(arg)
|
|
try
|
|
let ssl_save = &shellslash
|
|
set noshellslash
|
|
return shellescape(a:arg)
|
|
finally
|
|
let &shellslash = ssl_save
|
|
endtry
|
|
endf
|
|
|
|
" Shelllist returns a shell-safe representation of the items in the given
|
|
" arglist. The {special} argument of shellescape() may optionally be passed.
|
|
function! go#util#Shelllist(arglist, ...) abort
|
|
try
|
|
let ssl_save = &shellslash
|
|
set noshellslash
|
|
if a:0
|
|
return map(copy(a:arglist), 'shellescape(v:val, ' . a:1 . ')')
|
|
endif
|
|
return map(copy(a:arglist), 'shellescape(v:val)')
|
|
finally
|
|
let &shellslash = ssl_save
|
|
endtry
|
|
endfunction
|
|
|
|
" Returns the byte offset for line and column
|
|
function! go#util#Offset(line, col) abort
|
|
if &encoding != 'utf-8'
|
|
let sep = go#util#LineEnding()
|
|
let buf = a:line == 1 ? '' : (join(getline(1, a:line-1), sep) . sep)
|
|
let buf .= a:col == 1 ? '' : getline('.')[:a:col-2]
|
|
return len(iconv(buf, &encoding, 'utf-8'))
|
|
endif
|
|
return line2byte(a:line) + (a:col-2)
|
|
endfunction
|
|
"
|
|
" Returns the byte offset for the cursor
|
|
function! go#util#OffsetCursor() abort
|
|
return go#util#Offset(line('.'), col('.'))
|
|
endfunction
|
|
|
|
" Windo is like the built-in :windo, only it returns to the window the command
|
|
" was issued from
|
|
function! go#util#Windo(command) abort
|
|
let s:currentWindow = winnr()
|
|
try
|
|
execute "windo " . a:command
|
|
finally
|
|
execute s:currentWindow. "wincmd w"
|
|
unlet s:currentWindow
|
|
endtry
|
|
endfunction
|
|
|
|
" snippetcase converts the given word to given preferred snippet setting type
|
|
" case.
|
|
function! go#util#snippetcase(word) abort
|
|
let l:snippet_case = get(g:, 'go_addtags_transform', "snakecase")
|
|
if l:snippet_case == "snakecase"
|
|
return go#util#snakecase(a:word)
|
|
elseif l:snippet_case == "camelcase"
|
|
return go#util#camelcase(a:word)
|
|
else
|
|
return a:word " do nothing
|
|
endif
|
|
endfunction
|
|
|
|
" snakecase converts a string to snake case. i.e: FooBar -> foo_bar
|
|
" Copied from tpope/vim-abolish
|
|
function! go#util#snakecase(word) abort
|
|
let word = substitute(a:word,'::','/','g')
|
|
let word = substitute(word,'\(\u\+\)\(\u\l\)','\1_\2','g')
|
|
let word = substitute(word,'\(\l\|\d\)\(\u\)','\1_\2','g')
|
|
let word = substitute(word,'[.-]','_','g')
|
|
let word = tolower(word)
|
|
return word
|
|
endfunction
|
|
|
|
" camelcase converts a string to camel case. i.e: FooBar -> fooBar
|
|
" Copied from tpope/vim-abolish
|
|
function! go#util#camelcase(word) abort
|
|
let word = substitute(a:word, '-', '_', 'g')
|
|
if word !~# '_' && word =~# '\l'
|
|
return substitute(word,'^.','\l&','')
|
|
else
|
|
return substitute(word,'\C\(_\)\=\(.\)','\=submatch(1)==""?tolower(submatch(2)) : toupper(submatch(2))','g')
|
|
endif
|
|
endfunction
|
|
|
|
" TODO(arslan): I couldn't parameterize the highlight types. Check if we can
|
|
" simplify the following functions
|
|
"
|
|
" NOTE(arslan): echon doesn't work well with redraw, thus echo doesn't print
|
|
" even though we order it. However echom seems to be work fine.
|
|
function! go#util#EchoSuccess(msg)
|
|
redraw | echohl Function | echom "vim-go: " . a:msg | echohl None
|
|
endfunction
|
|
|
|
function! go#util#EchoError(msg)
|
|
redraw | echohl ErrorMsg | echom "vim-go: " . a:msg | echohl None
|
|
endfunction
|
|
|
|
function! go#util#EchoWarning(msg)
|
|
redraw | echohl WarningMsg | echom "vim-go: " . a:msg | echohl None
|
|
endfunction
|
|
|
|
function! go#util#EchoProgress(msg)
|
|
redraw | echohl Identifier | echom "vim-go: " . a:msg | echohl None
|
|
endfunction
|
|
|
|
function! go#util#EchoInfo(msg)
|
|
redraw | echohl Debug | echom "vim-go: " . a:msg | echohl None
|
|
endfunction
|
|
|
|
function! go#util#GetLines()
|
|
let buf = getline(1, '$')
|
|
if &encoding != 'utf-8'
|
|
let buf = map(buf, 'iconv(v:val, &encoding, "utf-8")')
|
|
endif
|
|
if &l:fileformat == 'dos'
|
|
" XXX: line2byte() depend on 'fileformat' option.
|
|
" so if fileformat is 'dos', 'buf' must include '\r'.
|
|
let buf = map(buf, 'v:val."\r"')
|
|
endif
|
|
return buf
|
|
endfunction
|
|
|
|
" vim: sw=2 ts=2 et
|